[containerapp] az containerapp compose create: Fix bug where environment's resource group is not resolved from --environment when the input value is a resource id (#27585)

Author: Greedygre

src/azure-cli/azure/cli/command_modules/containerapp/custom.py

@@ -4769,17 +4769,18 @@ def create_containerapps_from_compose(cmd,  # pylint: disable=R0914
     parsed_managed_env = parse_resource_id(managed_env)
     managed_env_name = parsed_managed_env['name']
 
-    logger.info(  # pylint: disable=W1203
-        f"Creating the Container Apps managed environment {managed_env_name} under {resource_group_name} in {location}.")
+    env_rg = parsed_managed_env.get('resource_group', resource_group_name)
 
     try:
         managed_environment = show_managed_environment(cmd=cmd,
                                                        name=managed_env_name,
-                                                       resource_group_name=resource_group_name)
+                                                       resource_group_name=env_rg)
     except CLIInternalError:  # pylint: disable=W0702
+        logger.info(  # pylint: disable=W1203
+            f"Creating the Container Apps managed environment {managed_env_name} under {env_rg} in {location}.")
         managed_environment = create_containerapps_compose_environment(cmd,
                                                                        managed_env_name,
-                                                                       resource_group_name,
+                                                                       env_rg,
                                                                        tags=tags)
 
     compose_yaml = load_yaml_file(compose_file_path)